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kindly provide some important reactions from p-block elements.
If possible give some tips for completing the reaction from p- block elements.

Asked by shreehari wadawadagi 24th February 2015, 6:14 PM
Answered by Expert

Entire syllabus is important in p-block elements. Please go through the NCERT questions, live test series and model tests to make the concepts more understandable.

For this log on to

However you can go through the following questions..

p-Block Elements

Structures of Oxoacids: phosphorus, sulphur,

Structures of Fluoride: sulphur, xenon, bromine

Interhalogen compounds

Basicity of group 15 element

Most important topics/questions

  1. Structures of PCl5, H2SO3, H2SO4, H2S2O8, H2S2O7, HOCl, HClO2, HClO3, HClO4
  2. Complete the reactions:
  3. Conceptual questions:
  • NF3 is an exothermic compound whereas NCl3 is not.
  • NH3 is a stronger base than PH3. Why?
  • Arrange the following in order of the indicated property:
    • F2, Cl2, Br2, I2 in increasing order of bond dissociation enthalpy
    • HF, HCl, HBr, HI in increasing order of acidic strength
    • NH3, PH3, AsH3, SbH3, BiH3 in increasing order of basic strength
  • What are interhalogen compounds?
Answered by Expert 24th February 2015, 6:22 PM
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